Answer:
Dolphins use a method called echolocation to detect things such as obstacles and prey in the water. If a dolphin swimming in seawater at 25°C sends a 220-dB click with a frequency of 120.0 Hz, and then detects the reflection of the click exactly one-twentieth of a second later, approximately how far away is the object?
Answer:
its shorter than a regular one
Explanation:
the only reason is simply because it is shorter
To balance this equation simply place the coefficient 2 in front of both the iron metal and the iron II oxide FeO.
